Plate Tectonics
Across
- 2. A theory about seafloor spreading, Earth’s plates and the plates motion
- 3. The part of the ocean floor that lava comes out of
- 4. The part of the crust made of basalt
- 6. Part of the pattern created on the ocean floor
- 11. One of the items in the earth that helped prove that Pangea existed
- 12. The idea that continents slowly move over the Earth’s surface
- 16. What oceanic and continental plates create on a convergent boundary
- 18. Type of plate boundary that destroys things
- 20. The part of the crust made of granite
Down
- 1. What Ocean floor sinks into back to the mantle
- 5. A deep valley formed by plates moving away from each other
- 7. When subduction takes place it happens at a __________ boundary
- 8. The one continent that existed millions of years ago
- 9. The adding and widening of Earth’s oceans
- 10. This boundary can form a rift valley
- 13. What happens at a transform boundary
- 14. The pieces of earth’s lithosphere
- 15. The process of one plate sinking underneath another
- 17. Cracks in Earth’s crust after plates rub against each other
- 19. What two continental plates create on a convergent boundary